#include "config.h"
#include "DFGCodeBlocks.h"
#include "CodeBlock.h"
#include "SlotVisitor.h"
#include <wtf/Vector.h>
namespace JSC {
#if ENABLE(DFG_JIT)
DFGCodeBlocks::DFGCodeBlocks() { }
DFGCodeBlocks::~DFGCodeBlocks()
{
Vector<CodeBlock*, 16> toRemove;
for (HashSet<CodeBlock*>::iterator iter = m_set.begin(); iter != m_set.end(); ++iter) {
if ((*iter)->m_dfgData->isJettisoned)
toRemove.append(*iter);
}
WTF::deleteAllValues(toRemove);
}
void DFGCodeBlocks::jettison(PassOwnPtr<CodeBlock> codeBlockPtr)
{
CodeBlock* codeBlock = codeBlockPtr.leakPtr();
ASSERT(codeBlock);
ASSERT(codeBlock->getJITType() == JITCode::DFGJIT);
ASSERT(!codeBlock->m_dfgData->isJettisoned);
ASSERT(m_set.find(codeBlock) != m_set.end());
codeBlock->m_dfgData->isJettisoned = true;
}
void DFGCodeBlocks::clearMarks()
{
for (HashSet<CodeBlock*>::iterator iter = m_set.begin(); iter != m_set.end(); ++iter) {
(*iter)->m_dfgData->mayBeExecuting = false;
(*iter)->m_dfgData->visitAggregateHasBeenCalled = false;
}
}
void DFGCodeBlocks::deleteUnmarkedJettisonedCodeBlocks()
{
Vector<CodeBlock*, 16> toRemove;
for (HashSet<CodeBlock*>::iterator iter = m_set.begin(); iter != m_set.end(); ++iter) {
if ((*iter)->m_dfgData->isJettisoned && !(*iter)->m_dfgData->mayBeExecuting)
toRemove.append(*iter);
}
WTF::deleteAllValues(toRemove);
}
void DFGCodeBlocks::traceMarkedCodeBlocks(SlotVisitor& visitor)
{
for (HashSet<CodeBlock*>::iterator iter = m_set.begin(); iter != m_set.end(); ++iter) {
if ((*iter)->m_dfgData->mayBeExecuting)
(*iter)->visitAggregate(visitor);
}
}
#else // ENABLE(DFG_JIT)
void DFGCodeBlocks::jettison(PassOwnPtr<CodeBlock>)
{
}
#endif // ENABLE(DFG_JIT)
}